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German QUART digital subtraction angiography test phantom
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Brief description:The German QUART digital subtraction DSA QA test phantom is specially developed to meet the requirements of digital subtraction angiography (DSA). The specimen adopts a B-type slider design, which greatly improves the information value of the test fixture compared with the C-type design.
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Detailed introduction
Overview
german quarterThe QUART Digital Subtraction DSA QA test phantom was developed specifically to meet the requirements of digital subtraction angiography (DSA). The specimen adopts a B-type slider design, which greatly improves the information value of the test fixture compared with the C-type design.
german quarterQUART digital subtraction DSA QA test phantom product introduction:
germanyThe unique feature of the QUART digital subtraction DSA QA performance test phantom is that the phantom uses longitudinal slip feature technology to minimize structural motion artifacts in the image. In comparison, C-type phantoms that are more common in the QA market and can exceed the lateral forced motion caused by artifact limits are C-type phantoms.
Comply with German industrial standards6868-4-150, and international electrotechnical standard 61223-3-3
german quarterQUART digital subtraction DSA QA test phantom performance characteristics:
After simulating the injection process, German QUART digital subtraction DSA QA performance test phantom immediately displays the lateral boundary contrast wedge
Low contrast is clearly visible in the image
Optional threshold available in test image
Operating Instructions for Effective Noise Contrast Assessment
german quarterQUART digital subtraction DSA QA test phantom parameters:
dynamic range
DSA contrast sensitivity
Artifact
Nonlinear attenuation compensation (logarithmic error)
visual spatial resolution (38-line line pair card)
Line-to-card performance:45 degrees/0.05mmPb/20 line pairs/0.6 – 5.0 Lp/mm
Positioning: The line pair card is placed on the four wedge-shaped ladders in the center
Arrange diagonally to avoid overlapping effects
german quarterQUART digital subtraction DSA QA test phantom technical specifications:
Main material of phantom Acrylic
Slider material Acrylic
Embedded body (vascular simulation body) distance:Aluminum strip spacing 10mm
Purity:99.5%
Thickness:0.05/0.1/0.2/0.4mm
Aluminum strip width: 10mm
tissue simulator Wedge ladder
7 copper bars
Copper ladder thickness0.2-1.4mm
Nonlinear attenuation compensation additional1 dynamic copper wedge
Thickness0.2mm
transfer Pneumatic device
Length:7m
SAG: german quarterQUART digital subtraction DSA QA test phantom, German digital subtraction test phantom.
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